DECEMBER 2020 GDAS DATA DUMPS (RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number	Total Input	% Input
Land Sfc	Synoptic	6989	7302	7697	7293	29281	29281	*
*	METAR	47016	48382	49618	47807	192823	192823	*
*	sub-total	54005	55684	57315	55100	222104	222104	****
Marine Sfc	Ship	964	955	933	935	3787	3787	*
*	Drifting Buoy	388	395	388	387	1558	1558	*
*	Moored Buoy	842	834	836	828	3340	3340	*
*	CMAN	5316	5332	5282	5199	21129	21129	*
*	Tide Gauge	5546	5513	5502	5489	22050	22050	*
*	MSLP Bogus**	0	0	0	0	0	*	*
*	sub-total	13056	13029	12941	12838	51864	51864	****
Land Soundings	Fixed Land RAOB	671	34	668	25	1398	1398	*
*	Mobile Land RAOB	0	0	0	0	0	0	*
*	Ship RAOB	1	0	1	1	3	3	*
*	Dropsonde	1	0	0	0	1	1	*
*	Pibal	77	74	75	48	274	274	*
*	Profiler	0	2	0	2	4	4	*
*	NEXRAD Wind	1637	1627	1586	1627	6477	6477	*
*	sub-total	2387	1737	2330	1703	8157	8157	****
Aircraft	AIREP	1661	2915	2472	2206	9254	9254	*
*	PIREP	395	81	263	531	1270	1270	*
*	AMDAR	3185	4165	3071	514	10935	10935	*
*	ACARS	98832	42852	50636	98027	290347	290347	*
*	RECCO	1	0	1	2	4	4	*
*	sub-total	104074	50013	56443	101280	311810	311810	****
Total	non-satellite	173522	120463	129029	170921	593935	593935	****

**    Data is not used or included in totals.
***   Data is now dumped from BUFR database. Previous numbers reflected thinning, which is now all done in the analysis.
****  % Input is no longer available due innacuracy and ambiguity.

DECEMBER 2020 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE RECEIVED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	0	0	0	0	0
Ozone	OZONE	6757	6656	6808	6815	27036
Satellite Winds	SATWND	3445334	2106023	2606315	4198769	12356441
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES	0	0	0	0	0
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	378591	382083	395561	378116	1534351
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B	0	0	0	0	0
*	HIRS4 1B	5219370	5144952	5270434	5290464	20925220
*	AMSUA 1B**	9066153	7875397	9439847	8414763	34796160
*	AMSUB 1B	0	0	0	0	0
*	MHS	11280057	11126696	11326778	11441463	45174994
*	AIRS	25384697	31515105	32772131	25054072	114726005
*	AHI	0	0	0	0	0
*	AMSR2	0	0	0	0	0
*	AMSRE_HIG	0	0	0	0	0
*	AMSRE_LOW	0	0	0	0	0
*	AMSRE_MID	0	0	0	0	0
*	ATMS	1246476	1246587	1246637	1246581	4986281
*	AVHRR	8190305	8020173	7671912	8017703	31900093
*	CRIS	0	0	0	0	0
*	CRIS-FSR	0	0	0	0	3354619526
*	CRIS-FSR	0	0	0	0	3354619526
*	GMI	0	0	0	0	0
*	GOES_IMG	0	0	0	0	0
*	GOME	103461	103159	102945	102811	412376
*	IASI	619615324	550833339	615897888	588399422	2374745973
*	OMI	252856	340622	352112	343358	1288948
*	OMPSNP	5950	6420	6302	6231	24903
*	OMPSTC8	47936	51685	50754	50185	200560
*	SAPHIR	854986	694486	589531	888914	3027917
*	SEVIRI	2684286	2726838	2785765	2679572	10876461
*	SSMIS	30676382	30219928	30738227	30161122	121795659
Total	Satellites Received	1534158976	1503820823	1573139751	1522299354	6133418904

** Counts include AMSU-A radiances from the AQUA satellite .

DECEMBER 2020 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE SELECTED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	0	0	0	0	0
Ozone	OZONE	6431	6277	6335	6491	25534
Satellite Winds	SATWND	3445334	2106023	2606315	4198769	12356441
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES	0	0	0	0	0
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	371098	374474	387780	370714	1504066
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B	0	0	0	0	0
*	HIRS4 1B	342322	337738	342519	344986	1367565
*	AMSUA 1B**	757841	698419	759109	768160	2983529
*	AMSUB 1B	0	0	0	0	0
*	MHS	182529	179902	182206	184894	729531
*	AIRS	353944	436004	450043	352081	1592072
*	AHI	0	0	0	0	0
*	AMSR2	0	0	0	0	0
*	AMSRE_HIG	0	0	0	0	0
*	AMSRE_LOW	0	0	0	0	0
*	AMSRE_MID	0	0	0	0	0
*	ATMS	463091	463038	461885	462887	1850901
*	AVHRR	40858	38941	40959	41830	162588
*	CRIS	0	0	0	0	0
*	CRIS-FSR	0	0	0	0	43176799
*	CRIS-FSR	0	0	0	0	43176799
*	GMI	0	0	0	0	0
*	GOES_IMG	0	0	0	0	0
*	GOME	7366	7415	7466	7276	29523
*	IASI	12477277	12345346	12431158	12471766	49725547
*	OMI	2151	2859	2942	2884	10836
*	OMPSNP	4814	5296	4613	5327	20050
*	OMPSTC8	5954	6186	6118	6187	24445
*	SAPHIR	9667	7769	7227	10543	35206
*	SEVIRI	53710	52854	53262	54474	214300
*	SSMIS	485860	480149	491384	478424	1935817
Total	Satellites Selected	29809875	28346046	29021230	30567599	117744750

** Counts include AMSU-A radiances from the AQUA satellite .

DECEMBER 2020 GDAS SATELLITE DATA DUMPS (DAILY AVERAGE ASSIMILATED)

Category	Subcategory	T00Z	T06Z	T12Z	T18Z	Total Number
Satellite Soundings	GOES	0	0	0	0	0
Ozone	OZONE	0	0	0	0	0
Satellite Winds	SATWND	3445334	2106023	2606315	4198769	12356441
Scatterometer Winds	QUIKSCAT	0	0	0	0	0
DMSP	SSMI RADIANCES	0	0	0	0	0
*	SSMI RAINFALL RATES
Cosmic/gps	COSMIC	184314	187795	195642	190621	758372
Satellite Surface	NASA TRMM DATA
Satellite Radiances	HIRS3 1B	0	0	0	0	0
*	HIRS4 1B	0	0	0	0	0
*	AMSUA 1B**	493869	453800	497688	507124	1952481
*	AMSUB 1B	0	0	0	0	0
*	MHS	66456	66432	67435	68195	268518
*	AIRS	10085	0	0	0	10085
*	AHI	0	0	0	0	0
*	AMSR2	0	0	0	0	0
*	AMSRE_HIG	0	0	0	0	0
*	AMSRE_LOW	0	0	0	0	0
*	AMSRE_MID	0	0	0	0	0
*	ATMS	312284	298857	312066	293467	1216674
*	AVHRR	15668	17114	15190	17198	65170
*	CRIS	0	0	0	0	0
*	CRIS-FSR	0	0	0	0	3913343
*	CRIS-FSR	0	0	0	0	3913343
*	GMI	0	0	0	0	0
*	GOES_IMG	0	0	0	0	0
*	GOME	0	0	0	0	0
*	IASI	2119354	2170908	2081829	2193400	8565491
*	OMI	2151	2859	2942	2884	10836
*	OMPSNP	3500	3848	3337	3859	14544
*	OMPSTC8	5954	6186	6117	6187	24444
*	SAPHIR	7098	5434	5288	8427	26247
*	SEVIRI	6665	6553	6761	6724	26703
*	SSMIS	44509	45606	44824	44515	179454
Total	Satellites Assimilated	7709064	6336928	6837165	8505646	29388803

** Counts include AMSU-A radiances from the AQUA satellite .